*{padding: 0;margin: 0;font-size: 14px;font-family: "微软雅黑";}
body{width: 100%;height: 100%;}
#back{width: 100%;height: 50px;}
a{text-decoration: none;color: white;}
#back_a{width: 100%;height: 50px; background: rgba(100,100,100,0.8);font-size: 28px;position: absolute;line-height: 50px;}
#login_bg{width: 100%;height: 100%;position: absolute;top: 0;left: 0;z-index: -99;}
#login_bg img{width: 100%;height: 100%;}
#blackmask{width: 100%;height: 100%;background: rgba(0,0,0,0.6);position: absolute;top: 0;left: 0;z-index: -10;}


#phone_num,#confirm_num{width: 60%;height:50px; position: relative;top: 100px;left:3%;background: rgba(0,0,0,0.7);
border-radius: 10px;padding-left: 10px;}
#confirm,#sub_confirm{width: 27%;height: 50px;position: relative;left: 5%;top:100px; border-radius: 10px;background: #ffcc33;border: none;
color: white;letter-spacing: 5px;}
#confirm_num,#sub_confirm{top: 150px;}
#confirm:focus,#sub_confirm:focus{outline: none;background: #ffcc00;}
